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dc.contributor.authorMunhoz, C. D.-
dc.contributor.authorGlezer, I-
dc.contributor.authorKawamoto, E. M.-
dc.contributor.authorAraujo, APN-
dc.contributor.authorLepscha, L. B.-
dc.contributor.authorPlaneta, Cleopatra da Silva-
dc.contributor.authorDeLucia, R.-
dc.contributor.authorScavone, C.-
dc.identifier.citationNeuropharmacology. Oxford: Pergamon-Elsevier B.V., v. 45, n. 8, p. 1151-1159, 2003.-
dc.description.abstractFencamfamine (FCF) is an indirect dopamine agent with effects similar to amphetamine and cocaine. In the present study, we investigate changes in Na,K-ATPase, cyclic AMP-dependent protein kinase (PKA) and nitric oxide synthase (NOS) activity and cyclic GMP levels in the nucleus accumbens (NAc) and striatum (ST) of animals acutely or repeatedly treated with FCF (3.5 mg/kg). Na,K-ATPase had a similar activity in control and repeatedly treated animals, but was reduced in the NAc of the acute group. This enzyme was reduced in the ST in acute and repeatedly treated animals, compared to the control group. Expression of the alpha(1,2,3)-Na,K-ATPase isoforms in the NAc and the ST was not altered in all groups studied. Acute FCF induced a significant increase in PKA activity in both the ST and the NAc. Repeatedly treated animals showed a higher increase in PKA activity in the NAc, but not in the ST, when compared to the acute group. There was also an increase in both NOS activity and cyclic GMP levels only in the NAc of FCF repeatedly treated animals compared to the acute and control groups. We suggest that chronic FCF treatment is linked to a modification in Na,K-ATPase activity through the PKA and NO-cyclic GMP pathway. (C) 2003 Elsevier Ltd. All rights reserved.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectnitric oxide synthasept
dc.subjectcyclic GMPpt
dc.titleChanges in sodium, potassium-ATPase induced by repeated fencamfamine: the roles of cyclic AMP-dependent protein kinase and the nitric oxide-cyclic GMP pathwayen
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv São Paulo, Inst Biomed Sci, Dept Pharmacol, BR-05508900 São Paulo, SP, Brazil-
dc.description.affiliationUNESP, Sch Pharmaceut Sci, Dept Pharmacol, Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Sch Pharmaceut Sci, Dept Pharmacol, Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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